Cockle the paper to make a flower.把纸弄得起绉做花.Cockle papaya is also the health, wild and cultivated varieties.皱皮木瓜又分实生 、 野生和栽培品种.Onion skin: Light weight cockle bank paper often used for airmail stationery.洋葱纸: 常作空邮信纸用的轻身绉面...
Methods: Using heavy caliber capillary gas chromatography with headspace sampling.方法: 采用顶空进样技术,用大口径毛细管气相色谱法测定.Acid - volatile sulfide in river sediment sample was measured by reaction headspace.采用顶空色谱测定了河流底泥中的可酸挥发硫化物.Two...